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In Reply to: RE: Issue solved ...lessons learned posted by theob on February 01, 2012 at 10:11:43
I do not think that turning the voltage down does it. I think it is the minimal work we give them to do and maybe the added caps.
I think the less you ask of a switcher the harder life becomes for the thing. I think they like to work around 80% capacity. We are asking for something like 20% with the EA430, if that much. I think this is as hard on it as working at full power.
Does it have to sink the extra/unneeded power within itself? I have no idea and am lapsing into my bad poetry explanations again.
I also wonder if adding all of the these capacitors does something that the switcher does not really like?
Ted, you should make yourself a linear supply for the P12. Not hard at all. If you can solder I can give you an easy list of parts that will make it easy, including circuit boards. P24 is just three of the same supplies when you are ready to have some real fun!
Follow Ups:
Rick yes I would appreciate if you sent me copies of schematics and parts list for the linear psu's you built.
Give me a day or so to make it easy for you.
,
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